package com.zjz.springcloud.controller;

import com.zjz.springcloud.pojo.Dept;
import com.zjz.springcloud.service.DeptService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

// 提供Restful服务
@RestController
public class DeptController {


    @Autowired
    private DeptService deptService;

    // 获取一些配置的信息,得到具体的微服务
    @Autowired
    private DiscoveryClient client;

    @PostMapping("/dept/add")
    public boolean addDept(Dept dept){
        return deptService.addDept(dept);
    }


    @GetMapping("/dept/get/{deptno}")
    public Dept get(@PathVariable("deptno")Long deptno){
        return deptService.queryById(deptno);
    }

    @GetMapping("/dept/list")
     public List<Dept> queryAll(){
        return deptService.queryAll();
    }


    // 注册进来的微服务~,获取一些消息
    @GetMapping("/dept/discovery")
    public Object discovery(){
        // 获取微服务列表的清单
        List<String> services = client.getServices();
        System.out.println("discovery===>services:"+ services);


        // 得到一个具体的微服务信息,通过具体的微服务ID,applicationName
        List<ServiceInstance> instances = client.getInstances("SPRINGCLOUD-PROVIDER-DEPT");
        for (ServiceInstance instance : instances) {
            System.out.println(
                      instance.getHost()+"\t"
                    + instance.getPort()+"\t"
                    + instance.getUri()+"\t"
                    + instance.getServiceId()
            );
        }

        return this.client;


    }






}
